DCHP-1 Online
concessional line Obs. 
a survey line, indicated by blazed trees or other markers, establishing the boundaries of a concession (def. 2), the number of the several lots appearing on fixed posts.
See also: concession (def. 2) concession line (def. 1)
- 1787 (1905) You will lay out the concessional lines that are not already run out, the distance between each lot to be 19 chains.
- 1787 (1905) You will lay out the concessional lines that are not already run out, the distance between each lot to be 19 chains.